[INFO] fetching crate strain 0.1.2...
[INFO] testing strain-0.1.2 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate strain 0.1.2 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate strain 0.1.2
[INFO] finished tweaking crates.io crate strain 0.1.2
[INFO] tweaked toml for crates.io crate strain 0.1.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate strain 0.1.2 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate strain 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84c98d596e23812185f0e07537ea930ddc6503503c8fa991c408586f7385aeee
[INFO] running `Command { std: "docker" "start" "-a" "84c98d596e23812185f0e07537ea930ddc6503503c8fa991c408586f7385aeee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84c98d596e23812185f0e07537ea930ddc6503503c8fa991c408586f7385aeee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84c98d596e23812185f0e07537ea930ddc6503503c8fa991c408586f7385aeee", kill_on_drop: false }`
[INFO] [stdout] 84c98d596e23812185f0e07537ea930ddc6503503c8fa991c408586f7385aeee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 914e86eecb71abf04025c43e215562d82043e6c73ae602c18968063101535541
[INFO] running `Command { std: "docker" "start" "-a" "914e86eecb71abf04025c43e215562d82043e6c73ae602c18968063101535541", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.4
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling anstyle v1.0.8
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling anstyle-query v1.1.1
[INFO] [stderr]    Compiling colorchoice v1.0.2
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling rug v1.25.0
[INFO] [stderr]    Compiling anstyle-parse v0.2.5
[INFO] [stderr]    Compiling clap_lex v0.7.2
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling fern v0.6.2
[INFO] [stderr]    Compiling anstream v0.6.15
[INFO] [stderr] error: failed to run custom build command for `gmp-mpfr-sys v1.6.4`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/gmp-mpfr-sys-333b5e7346c8ee4d/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-env-changed=GMP_MPFR_SYS_CACHE
[INFO] [stderr]   $ mkdir -p "/opt/rustwide/target/debug/build/gmp-mpfr-sys-2c4e771da3a48075/out/lib"
[INFO] [stderr]   $ mkdir -p "/opt/rustwide/target/debug/build/gmp-mpfr-sys-2c4e771da3a48075/out/include"
[INFO] [stderr]   $ mkdir -p "/opt/rustwide/target/debug/build/gmp-mpfr-sys-2c4e771da3a48075/out/build/system_libs"
[INFO] [stderr]   $ cd "/opt/rustwide/target/debug/build/gmp-mpfr-sys-2c4e771da3a48075/out/build/system_libs"
[INFO] [stderr]   $ #Check for system GMP
[INFO] [stderr]   $ printf '%s' "/* system_"... > "/opt/rustwide/target/debug/build/gmp-mpfr-sys-2c4e771da3a48075/out/build/system_libs/system_gmp.c"
[INFO] [stderr]   $ cd "/opt/rustwide/target/debug/build/gmp-mpfr-sys-2c4e771da3a48075/out/build/system_libs" && "gcc" "-fPIC" "system_gmp.c" "-lgmp" "-o" "system_gmp.exe"
[INFO] [stderr]   $ cd "/opt/rustwide/target/debug/build/gmp-mpfr-sys-2c4e771da3a48075/out/build/system_libs" && "/opt/rustwide/target/debug/build/gmp-mpfr-sys-2c4e771da3a48075/out/build/system_libs/system_gmp.exe"
[INFO] [stderr]   cargo:limb_bits=64
[INFO] [stderr]   $ #Check for system MPFR
[INFO] [stderr]   $ printf '%s' "/* system_"... > "/opt/rustwide/target/debug/build/gmp-mpfr-sys-2c4e771da3a48075/out/build/system_libs/system_mpfr.c"
[INFO] [stderr]   $ cd "/opt/rustwide/target/debug/build/gmp-mpfr-sys-2c4e771da3a48075/out/build/system_libs" && "gcc" "-fPIC" "system_mpfr.c" "-lmpfr" "-lgmp" "-o" "system_mpfr.exe"
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   system_mpfr.c:2:10: fatal error: mpfr.h: No such file or directory
[INFO] [stderr]       2 | #include <mpfr.h>
[INFO] [stderr]         |          ^~~~~~~~
[INFO] [stderr]   compilation terminated.
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (298) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/gmp-mpfr-sys-1.6.4/build.rs:1217:13:
[INFO] [stderr]   Program failed with code 1: cd "/opt/rustwide/target/debug/build/gmp-mpfr-sys-2c4e771da3a48075/out/build/system_libs" && "gcc" "-fPIC" "system_mpfr.c" "-lmpfr" "-lgmp" "-o" "system_mpfr.exe"
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x625329ec9bf2 - std::backtrace_rs::backtrace::libunwind::trace::hcab59e1e990fdc24
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x625329ec9bf2 - std::backtrace_rs::backtrace::trace_unsynchronized::he24cc57f3d2f47b7
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x625329ec9bf2 - std::sys::backtrace::_print_fmt::hf8d65ede198eeb54
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x625329ec9bf2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h67edf0e4d33c343c
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x625329ed92af - core::fmt::rt::Argument::fmt::hef94184842aeafdd
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x625329ed92af - core::fmt::write::hcf0c66b48a8fa606
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/mod.rs:1468:25
[INFO] [stderr]      6:     0x625329e9c3e1 - std::io::default_write_fmt::h1ecb8c7cfa7da481
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x625329e9c3e1 - std::io::Write::write_fmt::h051fe4a9e4fdbf48
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x625329ea7802 - std::sys::backtrace::BacktraceLock::print::h07e5435aa717b414
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x625329ea977c - std::panicking::default_hook::{{closure}}::h91001850288db5f7
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x625329ea95d6 - std::panicking::default_hook::h2346dbb704ef5512
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x625329ea9e05 - std::panicking::panic_with_hook::hd2b063a6090d23a4
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x625329ea9c9a - std::panicking::panic_handler::{{closure}}::he666d95f139a333e
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:707:13
[INFO] [stderr]     13:     0x625329ea7939 - std::sys::backtrace::__rust_end_short_backtrace::h631ad224854ebee5
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x625329e906dd - __rustc[1d67440d6e82e4f]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x625329edcb70 - core::panicking::panic_fmt::h420ddb7fd73daf53
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x625329e77279 - build_script_build::execute::he08583ce033eef0e
[INFO] [stderr]     17:     0x625329e6f203 - build_script_build::check_system_libs::hb61d4ee574d8a866
[INFO] [stderr]     18:     0x625329e766d3 - build_script_build::main::h608ca1cd7d4c0cfe
[INFO] [stderr]     19:     0x625329e80843 - core::ops::function::FnOnce::call_once::hcb6425b0c7d6069c
[INFO] [stderr]     20:     0x625329e85dd6 - std::sys::backtrace::__rust_begin_short_backtrace::hc0c593b17e3393dc
[INFO] [stderr]     21:     0x625329e88629 - std::rt::lang_start::{{closure}}::hcb5dd2f22d9f23fb
[INFO] [stderr]     22:     0x625329e9dd20 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h4967fb77e0dfb65c
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     23:     0x625329e9dd20 - std::panicking::catch_unwind::do_call::hf7e87675c3e14c23
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stderr]     24:     0x625329e9dd20 - std::panicking::catch_unwind::h26f0e342004b5114
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stderr]     25:     0x625329e9dd20 - std::panic::catch_unwind::h9ee33ca17775d897
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stderr]     26:     0x625329e9dd20 - std::rt::lang_start_internal::{{closure}}::h243ba3495fa13cf8
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/rt.rs:175:24
[INFO] [stderr]     27:     0x625329e9dd20 - std::panicking::catch_unwind::do_call::h819db0a7788e7259
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stderr]     28:     0x625329e9dd20 - std::panicking::catch_unwind::h23e08fb4a7b9f405
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stderr]     29:     0x625329e9dd20 - std::panic::catch_unwind::h7ca3d9eabb6135ff
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stderr]     30:     0x625329e9dd20 - std::rt::lang_start_internal::h06ad7395f4fda8d7
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/rt.rs:171:5
[INFO] [stderr]     31:     0x625329e88611 - std::rt::lang_start::h33dc94d059c66817
[INFO] [stderr]     32:     0x625329e788f5 - main
[INFO] [stderr]     33:     0x7da2ba71a1ca - <unknown>
[INFO] [stderr]     34:     0x7da2ba71a28b - __libc_start_main
[INFO] [stderr]     35:     0x625329e688f5 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "914e86eecb71abf04025c43e215562d82043e6c73ae602c18968063101535541", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "914e86eecb71abf04025c43e215562d82043e6c73ae602c18968063101535541", kill_on_drop: false }`
[INFO] [stdout] 914e86eecb71abf04025c43e215562d82043e6c73ae602c18968063101535541
